AS30428 IDT Corporation

NET2PHONE-GLOBAL-SERVICES - IDT Corporation · registered in the United States

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in United States#8,463largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#36,993of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS30428 in ASN lookup Look up an IP in this network (216.97.144.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

216.97.144.0/22

Other ASNs named IDT Corporation

2 other networks use the same organisation name; together with AS30428 they announce 209,664 IPv4 addresses.

ASNNameIPv4 addresses

AS7270NET2PHONE - IDT Corporation US208,128

AS4361VERSATURE-NET2PHONE - IDT Corporation US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS30233#8460 PAYCHEX-O - Paychex Inc.1,024

AS30393#8461 BMLPROD2 - Bill Me Later1,024

AS30398#8462 AS-ADS - Automated Data Systems1,024

AS30523#8464 BOK-FINANCIAL-CORPORATION - BOK Financial Corporation1,024

AS30594#8465 FREESTONE-GROVE - Freestone Grove Partners1,024

AS30697#8466 IVISION - iVision, Inc.1,024

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources